一 环境准备1.准备pc、console线驱动网线、tftp或者ftp软件3CDaemonpc连接网线随便配置地址这里以192.168.1.100为例3CDaemon tftp软件打开选择版本文件二 升级过程1.启动设备当出现ctrlb提示的时候按快捷键ctrlb进入交换机bootrom界面Starting......Press CtrlT HV_RamTestPress CtrlD to access BASIC BOOT MENU********************************************************************************* ** H3C S1850V3-28P-HPWR-HI BOOTROM, Version 101 ** *********************************************************************************Copyright (c) 2004-2025 New H3C Technologies Co., Ltd.Creation Date : Mar 13 2025, 20:33:46CPU Clock Speed : 1250 MHzMemory Size : 1024 MBMac Address : 4476090f1218Flash Size : 256 MBBootRom Validating...Press CtrlB to access EXTENDED BOOT MENU...0EXTENDED BOOT MENU1. Download image to flash2. Select image to boot3. Display all files in flash4. Delete file from flash5. Restore to factory default configuration6. Enter BootRom upgrade menu7. Skip current system configuration8. Set switch startup mode9. Set The Operating Device0. RebootCtrlZ: Access EXTENDED ASSISTANT MENUCtrlF: Format file systemCtrlP: Change authentication for console loginCtrlR: Download image to SDRAM and runCtrlC: Display Copyright2.选择1 Download image to flashEnter your choice(0-9): 11. Set TFTP protocol parameters2. Set FTP protocol parameters3. Set XMODEM protocol parameters0. Return to boot menu3.选择1设置tftp参数填写版本升级服务器即pc为tftp地址local ip为本地与服务器相同网段地址最后按y开始升级Enter your choice(0-3): 1Load File Name :S1850V3_HI-CMW710-R8337.ipeServer IP Address :192.168.1.100Local IP Address :192.168.1.15Subnet Mask :255.255.255.0Gateway IP Address :192.168.1.100Are you sure to download file to flash? Yes or No (Y/N):YLoading....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Done.Please input the file attribute (Main/Backup/None) MImage file s1850v3_hi-cmw710-boot-r8337.bin is self-decompressing...Free space: 250478592 bytesWriting flash....................Done.Image file s1850v3_hi-cmw710-system-r8337.bin is self-decompressing...Free space: 244482048 bytesWriting flash..........................................................................................................................................................................................................Done.EXTENDED BOOT MENU4.查看上传的版本文件1. Download image to flash2. Select image to boot3. Display all files in flash4. Delete file from flash5. Restore to factory default configuration6. Enter BootRom upgrade menu7. Skip current system configuration8. Set switch startup mode9. Set The Operating Device0. RebootCtrlZ: Access EXTENDED ASSISTANT MENUCtrlF: Format file systemCtrlP: Change authentication for console loginCtrlR: Download image to SDRAM and runCtrlC: Display CopyrightEnter your choice(0-9): 3Display all file(s) in flash:File Number File Size(bytes) File Name1(*) 69403648 flash:/s1850v3_hi-cmw710-system-r8337.bin2(*) 5992448 flash:/s1850v3_hi-cmw710-boot-r8337.binFree space: 174944256 bytesThe current image is s1850v3_hi-cmw710-boot-r8337.bin(*)-with main attribute(b)-with backup attribute(*b)-with both main and backup attributeEXTENDED BOOT MENU1. Download image to flash2. Select image to boot3. Display all files in flash4. Delete file from flash5. Restore to factory default configuration6. Enter BootRom upgrade menu7. Skip current system configuration8. Set switch startup mode9. Set The Operating Device0. RebootCtrlZ: Access EXTENDED ASSISTANT MENUCtrlF: Format file systemCtrlP: Change authentication for console loginCtrlR: Download image to SDRAM and runCtrlC: Display Copyright5.其他的版本升级已经删除这里直接重启设备即可Enter your choice(0-9): 0Starting......Press CtrlT HV_RamTestPress CtrlD to access BASIC BOOT MENU********************************************************************************* ** H3C S1850V3-28P-HPWR-HI BOOTROM, Version 101 ** *********************************************************************************Copyright (c) 2004-2025 New H3C Technologies Co., Ltd.Creation Date : Mar 13 2025, 20:33:46CPU Clock Speed : 1250 MHzMemory Size : 1024 MBMac Address : 4476090f1218Flash Size : 256 MBBootRom Validating...Press CtrlB to access EXTENDED BOOT MENU...0Loading the main image files...Loading file flash:/s1850v3_hi-cmw710-system-r8337.bin.....................................................................Done.Loading file flash:/s1850v3_hi-cmw710-boot-r8337.bin.........Done.Extended BootRom Version is not equal,updating? (Y/N):Updating extended BootRom........Done.Basic BootRom Version is not equal,updating? (Y/N):Updating Basic BootRom...........Done.BootRom updated,System is rebooting now.Starting......Press CtrlT HV_RamTestPress CtrlD to access BASIC BOOT MENU********************************************************************************* ** H3C S1850V3-28P-HPWR-HI BOOTROM, Version 107 ** *********************************************************************************Copyright (c) 2004-2025 New H3C Technologies Co., Ltd.Creation Date : Dec 8 2025, 17:55:45CPU Clock Speed : 1250 MHzMemory Size : 1024 MBMac Address : 4476090f1218Flash Size : 256 MBBootRom Validating...Press CtrlB to access EXTENDED BOOT MENU...0Loading the main image files...Loading file flash:/s1850v3_hi-cmw710-system-r8337.bin.....................................................................Done.Loading file flash:/s1850v3_hi-cmw710-boot-r8337.bin.........Done.Image file flash:/s1850v3_hi-cmw710-boot-r8337.bin is self-decompressing.....Done.System is starting...Cryptographic algorithms tests passed.Startup configuration file doesnt exist or is invalid.Performing automatic configuration... Press CTRL_C or CTRL_D to break.Automatic configuration attempt: 1.Interface used: Vlan-interface1.Enable DHCP client on Vlan-interface1.Automatic configuration is running, press CTRL_C or CTRL_D to break.Automatic configuration is running, press CTRL_C or CTRL_D to break.Automatic configuration is aborted.Line aux0 is available.6.升级成功查看版本Press ENTER to get started.******************************************************************************* Copyright (c) 2004-2026 New H3C Technologies Co., Ltd. All rights reserved.** Without the owners prior written consent, ** no decompiling or reverse-engineering shall be allowed. *******************************************************************************%Jan 1 00:01:32:433 2023 H3C SHELL/5/SHELL_LOGIN: TTY logged in from aux0.H3CH3Cdis versionH3C Comware Software, Version 7.1.070, Release 8337Copyright (c) 2004-2026 New H3C Technologies Co., Ltd. All rights reserved.H3C S1850V3-28P-HPWR-HI uptime is 0 weeks, 0 days, 0 hours, 2 minutesLast reboot reason : Cold rebootBoot image: flash:/s1850v3_hi-cmw710-boot-r8337.binBoot image version: 7.1.070, Release 8337Compiled Apr 08 2026 16:00:00System image: flash:/s1850v3_hi-cmw710-system-r8337.binSystem image version: 7.1.070, Release 8337Compiled Apr 08 2026 16:00:00Slot 1:Uptime is 0 weeks,0 days,0 hours,2 minutesBOARD TYPE: S1850V3-28P-HPWR-HIDRAM: 1024M bytesFLASH: 256M bytesPCB 1 Version: VER.ABootrom Version: 107Power CPLD Version: NonePowChip Version: NoneRelease Version: H3C S1850V3-28P-HPWR-HI-8337Patch Version: NoneReboot Cause: ColdReboot[SubSlot 0]24*GE (POE) 4*2.5G SFPH3C